@article{VMUMM_1982_1_a14,
     author = {A. Ya. Sagomonyan and V. M. Gendugov and E. A. Sagomonyan},
     title = {On the problem of punching on obstacle},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {52--56},
     publisher = {mathdoc},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1982_1_a14/}
}